About: Earth's core convection: Boussinesq approximation or incompressible approach?

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Most geodynamo models are based on the Boussinesq approximation that simplifies the mathematics of the problem by neglecting the compressibility of the liquid in the Earth's core. However, the Boussinesq approximation not only disregards the compressibility in the momentum and the continuity equations, but also neglects adiabatic cooling in the heat transport equation which is connected with the reference state temperature distribution T (r). Whereas the former simplification introduces an acceptable inaccuracy, the latter changes the scene in a substantial way and makes the Boussinesq approximation nonadequate for the problem, especially at the onset of the convection. Most geodynamo models are based on the Boussinesq approximation that simplifies the mathematics of the problem by neglecting the compressibility of the liquid in the Earth's core. However, the Boussinesq approximation not only disregards the compressibility in the momentum and the continuity equations, but also neglects adiabatic cooling in the heat transport equation which is connected with the reference state temperature distribution T (r). Whereas the former simplification introduces an acceptable inaccuracy, the latter changes the scene in a substantial way and makes the Boussinesq approximation nonadequate for the problem, especially at the onset of the convection. (en)
Title	Earth's core convection: Boussinesq approximation or incompressible approach? Earth's core convection: Boussinesq approximation or incompressible approach? (en)
skos:prefLabel	Earth's core convection: Boussinesq approximation or incompressible approach? Earth's core convection: Boussinesq approximation or incompressible approach? (en)
skos:notation	RIV/67985530:_____/10:00341124!RIV11-AV0-67985530
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA300120704), Z(AV0Z30120515)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Hejda, Pavel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Geofyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	255649
http://linked.open...ai/riv/idVysledku	RIV/67985530:_____/10:00341124
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	geodynamic models; core convection; Boussinesq approximation (en)
http://linked.open.../riv/klicoveSlovo	core convection geodynamic models Boussinesq approximation
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[6C0A6426BA95]
http://linked.open...i/riv/nazevZdroje	Geophysical and Astrophysical Fluid Dynamics
http://linked.open...in/vavai/riv/obor	DE
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Numerical models of the hydromagnetic processes and geodynamo in the Earth's core
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	104
http://linked.open...iv/tvurceVysledku	Hejda, Pavel Anufriev, A. P.
http://linked.open...ain/vavai/riv/wos	000277504800003
http://linked.open...n/vavai/riv/zamer	Study of the internal structure and dynamics of the Earth
issn	0309-1929
number of pages	9 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Earth's core convection: Boussinesq approximation or incompressible approach? Earth's core convection: Boussinesq approximation or incompressible approach? Earth's core convection: Boussinesq approximation or incompressible approach?

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